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Troubleshooting DNS Issues with Chrome Net Internals DNS

posted by saumya077saumya077 309 days, 20 hours, 3 minutes ago
Thursday, April 20, 2023 8:07:52 AM GMT

Users may study DNS data and fix DNS problems on Google Chrome by using the powerful Chrome Net Internals DNS or chrome://net-internals/#dns tool. Understanding how to utilize Chrome Net Internals DNS may be immensely helpful for identifying DNS issues and improving website speed, whether you're a website owner, web developer, or network administrator. We'll define Chrome Net Internals DNS in this post and go through its functions and access methods.

How does chrome://net-internals/#dns work?

Google Chrome Internals, a Chrome DevTools tool called DNS, offers details on the DNS resolving process. The system that converts domain names that can be read by humans into IP addresses that computers can comprehend is called DNS, or Domain Name System. A domain name you enter for a website is translated into an IP address by your browser's usage of DNS so that it may connect to the website's server and access its content.

There are many processes involved in the DNS resolution process, such as asking DNS servers, caching DNS data, and managing DNS failures. You can track and examine each stage of the process using Chrome Net Internals DNS, and you can also access extensive DNS information, including DNS cache entries, DNS query logs, and DNSSEC status.

How to Access Chrome Net Internals DNS?

You must use the Chrome DevTools in order to access chrome://net-internals/#dns. Pressing the F12 key on a computer or Option + Command + I on a Mac will do this. Alternatively, you may use your right mouse click to pick "Inspect" from the context menu by clicking anywhere on a website.

Once the DevTools window has loaded, click the "Network" tab at the top of the window. There needs to be a "DNS" sub-tab nearby. In order to access Chrome Net Internals DNS, choose the "DNS" sub-tab.

Utilizing Chrome Net Internals DNS

There are multiple parts in the Chrome Net Internals DNS interface, and each one offers a distinct piece of knowledge on DNS resolution. Some of the more helpful portions are listed below:

DNS Lookup: The hostname that is being resolved, the DNS server that is being contacted, and the resolved IP address are all shown in this section.

Cache: This section shows details about the DNS cache, such as the number of items in the cache, its duration, and its hit-to-miss ratio.

Host resolver cache: The host resolver cache, which Chrome uses to store the outcomes of hostname resolves, is described in this section.

DnsConfig: Information regarding the DNS setup is shown in this section, including DNS search suffixes, DNS servers, and the status of DNS over HTTPS (DoH).

Events: A record of DNS-related events, including DNS requests and replies, is shown in this section.

Using Chrome Net Internals DNS, you may find DNS-related problems, including delayed DNS resolution times, DNS cache misses, and DNSSEC validation errors, that can hurt the performance of your website. Additionally, you may test DNS queries and see the results in real-time, as well as clear the DNS cache and host resolver cache.

Conclusion

Anyone who works with websites or networks will find Chrome Net Internals DNS to be a useful resource. It may aid in the diagnosis of DNS problems and the optimization of website performance by giving thorough information about the DNS resolution process. Spend some time learning about chrome://net-internals/#dns features if you're not already acquainted with them. By employing the right information and tools, you can make sure that your website is speedy, trustworthy, and accessible to users all around the world.

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